--- product_id: 550631445 title: "HTH Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels" brand: "hth" price: "€ 53.35" currency: EUR in_stock: true category: "Hth" url: https://www.desertcart.at/products/550631445-hth-pool-shock-cal-hypo-formula-13-3oz-pack-2 store_origin: AT region: Austria --- # Fast-acting formula Prevents bacteria & algae Compatible with all pool types HTH Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels **Brand:** hth **Price:** € 53.35 **Availability:** βœ… In Stock ## Summary > πŸ’¦ Elevate your pool gameβ€”because clear water is the new status symbol! ## Quick Answers - **What is this?** HTH Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels by hth - **How much does it cost?** € 53.35 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/550631445-hth-pool-shock-cal-hypo-formula-13-3oz-pack-2) ## Best For - hth enthusiasts ## Why This Product - Trusted hth brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Tested & Trusted:** Pair with HTH 6-Way Test Strips for perfect water balance - β€’ **Crystal Clear Sparkle:** Sanitizes without chlorine lock or overstabilization πŸ’§ - β€’ **Shock Your Pool Back to Life:** Solves 90% of water issues within 24 hours ⚑ - β€’ **Universal Pool Compatibility:** Safe for vinyl-lined and saltwater pools πŸ”„ - β€’ **Effortless Weekly Maintenance:** Easy-to-use, fast-dissolving powder for routine care ## Overview HTH Pool Shock Cal Hypo Formula is a fast-acting, multi-use pool treatment that sanitizes, clarifies, and prevents bacteria and algae without adding cyanuric acid. Compatible with all pool types, it resolves 90% of common pool water problems within 24 hours, ensuring a brilliant, crystal-clear sparkle. Ideal for weekly use and optimized when combined with HTH 6-Way Test Strips for balanced, healthy pool water. ## Description The HTH Multi-Use Shock Treatment is the perfect solution for keeping your swimming pool water sparkling clean. This convenient product shock treats, sanitizes, clarifies, and helps prevent bacteria and algae in your pool water. Its Cal Hypo based formula is fast-acting and fast-dissolving, solving 90% of pool water problems within 24 hours. The formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock, creating a visibly brilliant sparkle. It's compatible with all pool types, including vinyl-lined pools and saltwater systems. For best results, combine with HTH 6-Way Test Strips to test and balance your pool water twice weekly. Keep your pool water crystal clear with HTH Multi-Use Shock Treatment. ## Features - The information below is per-pack only - BENEFIT: Shock treat, sanitize, clarify, and help prevent bacteria and algae in your swimming pool water, all with this convenient, easy-to-use product - FEATURES: Multi-use pool shock with Cal Hypo; Use weekly to solve 90% of pool water problems within 24 hours; Fast-acting and fast-dissolving - VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock - COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems - YOU’RE ALL CLEAR WITH HTH: For best results, use with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CF2V7ZBL | | Best Sellers Rank | #11 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1 in Swimming Pool Chlorine | | Brand Name | HTH | | Customer Reviews | 4.8 4.8 out of 5 stars (4,228) | | Included Components | HTH 52031 Swimming Pool Care Shock | | Item Form | Powder | | Item Type Name | Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula | | Item Weight | 1.7 pounds | | Manufacturer | Innovative Water Care | | Manufacturer Part Number | 52031 | | Manufacturer Warranty Description | Warranty | | Model Number | 52031 | | Number of Items | 2 | | Product Benefits | pevents bacteria and algae | | Unit Count | 26.6 Ounce | ## Product Details - **Brand:** HTH - **Item Form:** Powder - **Item Weight:** 1.7 pounds - **Number of Items:** 2 - **Product Benefits:** pevents bacteria and algae ## Images ![HTH Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels - Image 1](https://m.media-amazon.com/images/I/81F8YlXmmYL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Frequently Bought Together - HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz (Pack of 2) - HTH 67084 Pool Care Algae Guard Advanced, All Algae Eliminator for Swimming Pools - Fast-Acting, Destroys & Prevents Green, Black & Mustard Algae, Keeps Pool Water Crystal Clear, 32 fl oz --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/550631445-hth-pool-shock-cal-hypo-formula-13-3oz-pack-2](https://www.desertcart.at/products/550631445-hth-pool-shock-cal-hypo-formula-13-3oz-pack-2) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-08-27*